<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <div class="title-container">
        <h3 class="title">登录</h3>
      </div>

      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.username"
          placeholder="Username"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="Password"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon
            :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
          />
        </span>
      </el-form-item>
      <div class="tips">
        <input
          type="checkbox"
          name="记住密码"
          id="77"
          v-model="loginForm.rememberMe"
        />
        <span>记住密码</span>
        <span> 忘记密码?</span>
      </div>
      <el-button
        :loading="loading"
        type="primary"
        style="width: 100%; margin-bottom: 30px"
        @click.native.prevent="handleLogin"
        >登录</el-button
      >
    </el-form>
  </div>
</template>

<script>
export default {
  name: 'Login',
  data () {
    return {
      loginForm: {
        username: 'admin',
        password: '111111',
        rememberMe: false
      },
      loginRules: {},
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  created () {
    // setTimeout(() => {
    //   console.log('加载效果打印')
    // }, 10000)
  },
  mounted () {
    // setTimeout(() => {
    //   console.log('加载效果打印')
    // }, 10000)
  },
  methods: {
    showPwd () {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin () {
      this.$refs.loginForm.validate(async valid => {
        // 发请求之前把加载动画开起来
        this.loading = true
        try {
          // 全部校验通过，发请求
          await this.$store.dispatch('user/login', this.loginForm)
          // 只有当上面执行完，才会打印这句成功
          // this.$message.success("登录成功,欢迎回来！");
          // 把这句话加到登录成功后
          this.$router.push('/')
        } catch (error) {
          this.$message.error('登录失败')
        }
        // 把加载动画停下来
        this.loading = false
      })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

$dark_gray: #889aa4;
$light_gray: #eee;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;
  // 适配浏览器全屏模式下的上下边距
  @media screen and (max-width: 400px) {
    width: 100% !important;
    height: 100% !important;
  }

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 250px 35px 0;
    margin: 0 auto;
    overflow: hidden;
    // 适配浏览器全屏模式下的上下边距
    @media screen and (max-width: 400px) {
      margin-top: 800px;
      // background-color: skyblue;
      height: 1450px;
      width: 1600px !important;
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
    @media screen and (max-width: 400px) {
      width: 80px;
      // background-color: skyblue;
      // color: red;
      svg {
        font-size: 50px !important;
        margin: 0 50px !important;
      }
    }
  }

  .title-container {
    position: relative;
    // background-color: red;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
      background: #283443;
      @media screen and (max-width: 400px) {
        font-size: 120px !important;
        margin-bottom: 100px;
      }
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
    @media screen and (max-width: 400px) {
      font-size: 60px !important;
      line-height: 200px;
      margin-right: 10px;
    }
  }
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;
    // background-color: red;
    @media screen and (max-width: 400px) {
      height: 200px;
    }

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;
      @media screen and (max-width: 400px) {
        height: 200px;
        // background-color: red;
        font-size: 70px !important;
        padding-left: 90px;
      }

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
    &:nth-child(1) {
      background-color: skyblue !important;
    }
    @media screen and (max-width: 400px) {
      border-radius: 20px;
      margin-bottom: 100px;
    }
  }
  .el-form-item:first-child {
    background-color: red;
  }
  .tips {
    font-size: 14px;
    color: black;
    margin-bottom: 10px;
    @media screen and (max-width: 400px) {
      margin: 0 0 50px 0;
    }
    input {
      &:first-child {
        margin-right: 10px;
        vertical-align: middle;
        @media screen and (max-width: 400px) {
          vertical-align: middle !important;
          margin-right: 30px;
        }
      }
      // @media screen and (max-width: 400px) {
      //   &:first-child {
      //     vertical-align: middle;
      //     margin-right: 30px;
      //   }
      // }
    }
    span {
      vertical-align: middle;
    }
    span {
      &:nth-child(3) {
        float: right;
      }
    }
  }
  .el-button {
    @media screen and (max-width: 400px) {
      height: 180px;
      border-radius: 20px;
      font-size: 70px;
    }
  }
}
</style>
